openwrt-packages-dist/libs/libvorbis/patches/100-CVE-2017-14632-CVE-2017-14633.patch

--- a/lib/info.c
+++ b/lib/info.c
@@ -583,7 +583,8 @@ int vorbis_analysis_headerout(vorbis_dsp
   oggpack_buffer opb;
   private_state *b=v->backend_state;
 
-  if(!b||vi->channels<=0){
+  if(!b||vi->channels<=0||vi->channels>255){
+    b = NULL;
     ret=OV_EFAULT;
     goto err_out;
   }